Heroes face him on the following missions:
Defeating Neuron is required for the Dimensional Warder Badge.
Neuron is the creation of his own twisted scientific experiment. He gave himself complete control over his body's nervous system. Once he and Anti-Matter worked together as friends but of late a rift has formed between them. Neuron's creation of Siege and the favour that garnered him with Tyrant is the primary cause of discord between them.